diff options
Diffstat (limited to 'src/runtime/asm_amd64.s')
| -rw-r--r-- | src/runtime/asm_amd64.s | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/src/runtime/asm_amd64.s b/src/runtime/asm_amd64.s index 0f719b2664..2d8f4c2412 100644 --- a/src/runtime/asm_amd64.s +++ b/src/runtime/asm_amd64.s @@ -662,21 +662,6 @@ TEXT ·publicationBarrier(SB),NOSPLIT,$0-0 // compile barrier. RET -// func jmpdefer(fv func(), argp uintptr) -// argp is a caller SP. -// called from deferreturn. -// 1. pop the caller -// 2. sub 5 bytes from the callers return -// 3. jmp to the argument -TEXT runtime·jmpdefer(SB), NOSPLIT, $0-16 - MOVQ fv+0(FP), DX // fn - MOVQ argp+8(FP), BX // caller sp - LEAQ -8(BX), SP // caller sp after CALL - MOVQ -8(SP), BP // restore BP as if deferreturn returned (harmless if framepointers not in use) - SUBQ $5, (SP) // return to CALL again - MOVQ 0(DX), BX - JMP BX // but first run the deferred function - // Save state of caller into g->sched, // but using fake PC from systemstack_switch. // Must only be called from functions with no locals ($0) |